@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51ec52cb-13fb-40da-91da-1573fe94fe5e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51ec52cb-13fb-40da-91da-1573fe94fe5e> .